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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WO2cctZEgTl1Y6Nnj6JkoGnMJxnU1Oyye6ejw+BVSmRPUCLTUn9FJHu1JV2aPe6F
 Us8MMbuU/kRvvszKgmN3kg==

<SEC-DOCUMENT>0000022356-07-000035.txt : 20070207
<SEC-HEADER>0000022356-07-000035.hdr.sgml : 20070207
<ACCEPTANCE-DATETIME>20070207101852
ACCESSION NUMBER:		0000022356-07-000035
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070202
FILED AS OF DATE:		20070207
DATE AS OF CHANGE:		20070207

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMMERCE BANCSHARES INC /MO/
		CENTRAL INDEX KEY:			0000022356
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				430889454
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1000 WALNUT
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64106
		BUSINESS PHONE:		8162342000

	MAIL ADDRESS:	
		STREET 1:		P O BOX 13686
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64199

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Walker Kimberly G
		CENTRAL INDEX KEY:			0001389135

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-02989
		FILM NUMBER:		07586467

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		816-234-2000

	MAIL ADDRESS:	
		STREET 1:		P O BOX 419248
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64141
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-02-02</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000022356</issuerCik>
        <issuerName>COMMERCE BANCSHARES INC /MO/</issuerName>
        <issuerTradingSymbol>CBSH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001389135</rptOwnerCik>
            <rptOwnerName>Walker Kimberly G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1000 WALNUT ST., 7TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KANSAS CITY</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>64106</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>By: Jeffery D. Aberdeen  For: Kimberly G. Walker</signatureName>
        <signatureDate>2007-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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